[feat]

- multisessions implemented
- update SessionManager
- add account switch logic

app/src/main/java/org/yobble/messenger/data/local/SessionManager.kt

@@ -5,56 +5,177 @@ import android.content.SharedPreferences
 import androidx.security.crypto.EncryptedSharedPreferences
 import androidx.security.crypto.MasterKey
 import dagger.hilt.android.qualifiers.ApplicationContext
+import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.StateFlow
+import kotlinx.coroutines.flow.asStateFlow
 import javax.inject.Inject
 import javax.inject.Singleton
 import androidx.core.content.edit
 
+data class AccountInfo(
+    val accountId: String,
+    val userId: String,
+    val login: String? = null,
+    val displayName: String? = null,
+    val avatarFileId: String? = null,
+    val bio: String? = null
+)
+
 @Singleton
 class SessionManager @Inject constructor(
-    @ApplicationContext context: Context
+    @ApplicationContext private val context: Context
 ) {
     private val masterKey = MasterKey.Builder(context)
         .setKeyScheme(MasterKey.KeyScheme.AES256_GCM)
         .build()
 
-    private val prefs: SharedPreferences = EncryptedSharedPreferences.create(
+    private val accountsPrefs: SharedPreferences = context.getSharedPreferences(
-        context,
+        "yobble_accounts", Context.MODE_PRIVATE
-        "yobble_session_prefs",
-        masterKey,
-        EncryptedSharedPreferences.PrefKeyEncryptionScheme.AES256_SIV,
-        EncryptedSharedPreferences.PrefValueEncryptionScheme.AES256_GCM
     )
 
+    private val _activeAccountId = MutableStateFlow(accountsPrefs.getString(KEY_ACTIVE_ACCOUNT, null))
+    val activeAccountId: StateFlow<String?> = _activeAccountId.asStateFlow()
+
+    private val sessionCaches = mutableMapOf<String, SharedPreferences>()
+
     private val localPrefs: SharedPreferences = context.getSharedPreferences(
         "yobble_local_prefs", Context.MODE_PRIVATE
     )
 
+    private fun getSessionPrefs(accountId: String): SharedPreferences {
+        return sessionCaches.getOrPut(accountId) {
+            EncryptedSharedPreferences.create(
+                context,
+                "yobble_session_$accountId",
+                masterKey,
+                EncryptedSharedPreferences.PrefKeyEncryptionScheme.AES256_SIV,
+                EncryptedSharedPreferences.PrefValueEncryptionScheme.AES256_GCM
+            )
+        }
+    }
+
+    private val activePrefs: SharedPreferences?
+        get() {
+            val id = _activeAccountId.value ?: return null
+            return getSessionPrefs(id)
+        }
+
     var accessToken: String?
-        get() = prefs.getString(KEY_ACCESS_TOKEN, null)
+        get() = activePrefs?.getString(KEY_ACCESS_TOKEN, null)
-        set(value) = prefs.edit { putString(KEY_ACCESS_TOKEN, value) }
+        set(value) = activePrefs?.edit { putString(KEY_ACCESS_TOKEN, value) } ?: Unit
 
     var refreshToken: String?
-        get() = prefs.getString(KEY_REFRESH_TOKEN, null)
+        get() = activePrefs?.getString(KEY_REFRESH_TOKEN, null)
-        set(value) = prefs.edit { putString(KEY_REFRESH_TOKEN, value) }
+        set(value) = activePrefs?.edit { putString(KEY_REFRESH_TOKEN, value) } ?: Unit
 
     var userId: String?
-        get() = prefs.getString(KEY_USER_ID, null)
+        get() = activePrefs?.getString(KEY_USER_ID, null)
-        set(value) = prefs.edit { putString(KEY_USER_ID, value) }
+        set(value) = activePrefs?.edit { putString(KEY_USER_ID, value) } ?: Unit
 
     val isLoggedIn: Boolean
         get() = accessToken != null
 
     fun saveSession(accessToken: String, refreshToken: String, userId: String) {
+        val accountId = _activeAccountId.value ?: userId
+        if (_activeAccountId.value == null) {
+            setActiveAccount(accountId)
+        }
+        val prefs = getSessionPrefs(accountId)
         prefs.edit {
             putString(KEY_ACCESS_TOKEN, accessToken)
-                .putString(KEY_REFRESH_TOKEN, refreshToken)
+            putString(KEY_REFRESH_TOKEN, refreshToken)
-                .putString(KEY_USER_ID, userId)
+            putString(KEY_USER_ID, userId)
         }
+        addAccountToList(accountId, userId)
     }
 
     fun clearSession() {
-        prefs.edit { clear() }
+        val accountId = _activeAccountId.value ?: return
-        localPrefs.edit { clear() }
+        removeAccount(accountId)
+    }
+
+    fun getAccounts(): List<AccountInfo> {
+        val ids = accountsPrefs.getStringSet(KEY_ACCOUNT_IDS, emptySet()) ?: emptySet()
+        return ids.mapNotNull { id ->
+            try {
+                val prefs = getSessionPrefs(id)
+                val uid = prefs.getString(KEY_USER_ID, null) ?: return@mapNotNull null
+                AccountInfo(
+                    accountId = id,
+                    userId = uid,
+                    login = prefs.getString(KEY_LOGIN, null),
+                    displayName = prefs.getString(KEY_DISPLAY_NAME, null),
+                    avatarFileId = prefs.getString(KEY_AVATAR_FILE_ID, null),
+                    bio = prefs.getString(KEY_BIO, null)
+                )
+            } catch (_: Exception) {
+                null
+            }
+        }
+    }
+
+    fun switchAccount(accountId: String) {
+        val ids = accountsPrefs.getStringSet(KEY_ACCOUNT_IDS, emptySet()) ?: emptySet()
+        if (accountId !in ids) return
+        setActiveAccount(accountId)
+    }
+
+    fun prepareNewAccountLogin() {
+        _activeAccountId.value = null
+        accountsPrefs.edit { remove(KEY_ACTIVE_ACCOUNT) }
+    }
+
+    fun removeAccount(accountId: String) {
+        val ids = (accountsPrefs.getStringSet(KEY_ACCOUNT_IDS, emptySet()) ?: emptySet()).toMutableSet()
+        ids.remove(accountId)
+        accountsPrefs.edit {
+            putStringSet(KEY_ACCOUNT_IDS, ids)
+        }
+
+        try {
+            getSessionPrefs(accountId).edit { clear() }
+        } catch (_: Exception) {}
+        sessionCaches.remove(accountId)
+
+        if (_activeAccountId.value == accountId) {
+            val nextId = ids.firstOrNull()
+            if (nextId != null) {
+                setActiveAccount(nextId)
+            } else {
+                _activeAccountId.value = null
+                accountsPrefs.edit { remove(KEY_ACTIVE_ACCOUNT) }
+                localPrefs.edit { clear() }
+            }
+        }
+    }
+
+    fun updateAccountMeta(
+        login: String? = null,
+        displayName: String? = null,
+        avatarFileId: String? = null,
+        bio: String? = null
+    ) {
+        val prefs = activePrefs ?: return
+        prefs.edit {
+            if (login != null) putString(KEY_LOGIN, login)
+            if (displayName != null) putString(KEY_DISPLAY_NAME, displayName)
+            if (avatarFileId != null) putString(KEY_AVATAR_FILE_ID, avatarFileId)
+            // bio can be empty string to clear it
+            if (bio != null) putString(KEY_BIO, bio)
+        }
+    }
+
+    private fun setActiveAccount(accountId: String) {
+        _activeAccountId.value = accountId
+        accountsPrefs.edit { putString(KEY_ACTIVE_ACCOUNT, accountId) }
+    }
+
+    private fun addAccountToList(accountId: String, userId: String) {
+        val ids = (accountsPrefs.getStringSet(KEY_ACCOUNT_IDS, emptySet()) ?: emptySet()).toMutableSet()
+        ids.add(accountId)
+        accountsPrefs.edit {
+            putStringSet(KEY_ACCOUNT_IDS, ids)
+        }
     }
 
     fun saveLastReadMessageId(chatId: String, messageId: String) {
@@ -81,5 +202,11 @@ class SessionManager @Inject constructor(
         private const val KEY_ACCESS_TOKEN = "access_token"
         private const val KEY_REFRESH_TOKEN = "refresh_token"
         private const val KEY_USER_ID = "user_id"
+        private const val KEY_LOGIN = "login"
+        private const val KEY_DISPLAY_NAME = "display_name"
+        private const val KEY_AVATAR_FILE_ID = "avatar_file_id"
+        private const val KEY_BIO = "bio"
+        private const val KEY_ACTIVE_ACCOUNT = "active_account_id"
+        private const val KEY_ACCOUNT_IDS = "account_ids"
     }
 }

app/src/main/java/org/yobble/messenger/data/repository/AuthRepositoryImpl.kt

@@ -22,11 +22,13 @@ class AuthRepositoryImpl @Inject constructor(
             authApi.login(LoginRequestDto(login, password))
         }
         if (result is NetworkResult.Success) {
+            val data = result.data.data
             sessionManager.saveSession(
-                accessToken = result.data.data.accessToken,
+                accessToken = data.accessToken,
-                refreshToken = result.data.data.refreshToken,
+                refreshToken = data.refreshToken,
-                userId = result.data.data.userId
+                userId = data.userId
             )
+            sessionManager.updateAccountMeta(login = login, displayName = null)
             pushTokenManager.registerPushToken()
         }
         return result
@@ -43,11 +45,13 @@ class AuthRepositoryImpl @Inject constructor(
             authApi.verifyCode(VerifyCodeRequestDto(login, otp))
         }
         if (result is NetworkResult.Success) {
+            val data = result.data.data
             sessionManager.saveSession(
-                accessToken = result.data.data.accessToken,
+                accessToken = data.accessToken,
-                refreshToken = result.data.data.refreshToken,
+                refreshToken = data.refreshToken,
-                userId = result.data.data.userId
+                userId = data.userId
             )
+            sessionManager.updateAccountMeta(login = login, displayName = null)
             pushTokenManager.registerPushToken()
         }
         return result

app/src/main/java/org/yobble/messenger/presentation/accounts/AccountSwitcherScreen.kt

@@ -0,0 +1,183 @@
+package org.yobble.messenger.presentation.accounts
+
+import androidx.compose.foundation.background
+import androidx.compose.foundation.clickable
+import androidx.compose.foundation.layout.*
+import androidx.compose.foundation.lazy.LazyColumn
+import androidx.compose.foundation.lazy.items
+import androidx.compose.foundation.shape.CircleShape
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.automirrored.filled.ArrowBack
+import androidx.compose.material.icons.filled.Add
+import androidx.compose.material.icons.filled.Check
+import androidx.compose.material.icons.filled.Close
+import androidx.compose.material3.*
+import androidx.compose.runtime.*
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.draw.clip
+import androidx.compose.ui.text.font.FontWeight
+import androidx.compose.ui.text.style.TextOverflow
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.unit.sp
+import androidx.hilt.navigation.compose.hiltViewModel
+import androidx.lifecycle.compose.collectAsStateWithLifecycle
+import org.yobble.messenger.data.local.AccountInfo
+import org.yobble.messenger.presentation.common.InitialsAvatar
+
+@OptIn(ExperimentalMaterial3Api::class)
+@Composable
+fun AccountSwitcherScreen(
+    onNavigateBack: () -> Unit,
+    onAccountSwitched: () -> Unit,
+    onAddAccount: () -> Unit,
+    viewModel: AccountSwitcherViewModel = hiltViewModel()
+) {
+    val uiState by viewModel.uiState.collectAsStateWithLifecycle()
+
+    LaunchedEffect(uiState.switchedAccount) {
+        if (uiState.switchedAccount) {
+            onAccountSwitched()
+        }
+    }
+
+    Scaffold(
+        topBar = {
+            TopAppBar(
+                title = { Text("Accounts", fontWeight = FontWeight.Bold) },
+                navigationIcon = {
+                    IconButton(onClick = onNavigateBack) {
+                        Icon(Icons.AutoMirrored.Filled.ArrowBack, contentDescription = "Back")
+                    }
+                },
+                colors = TopAppBarDefaults.topAppBarColors(
+                    containerColor = MaterialTheme.colorScheme.primary,
+                    titleContentColor = MaterialTheme.colorScheme.onPrimary,
+                    navigationIconContentColor = MaterialTheme.colorScheme.onPrimary
+                )
+            )
+        }
+    ) { padding ->
+        LazyColumn(
+            modifier = Modifier
+                .fillMaxSize()
+                .padding(padding)
+        ) {
+            items(uiState.accounts, key = { it.accountId }) { account ->
+                AccountItem(
+                    account = account,
+                    isActive = account.accountId == uiState.activeAccountId,
+                    onClick = { viewModel.switchTo(account.accountId) },
+                    onRemove = { viewModel.removeAccount(account.accountId) }
+                )
+            }
+
+            item {
+                Row(
+                    modifier = Modifier
+                        .fillMaxWidth()
+                        .clickable(onClick = {
+                            viewModel.prepareNewAccountLogin()
+                            onAddAccount()
+                        })
+                        .padding(horizontal = 16.dp, vertical = 14.dp),
+                    verticalAlignment = Alignment.CenterVertically
+                ) {
+                    Box(
+                        modifier = Modifier
+                            .size(44.dp)
+                            .clip(CircleShape)
+                            .background(MaterialTheme.colorScheme.primaryContainer),
+                        contentAlignment = Alignment.Center
+                    ) {
+                        Icon(
+                            Icons.Default.Add,
+                            contentDescription = null,
+                            tint = MaterialTheme.colorScheme.onPrimaryContainer
+                        )
+                    }
+                    Spacer(modifier = Modifier.width(12.dp))
+                    Text(
+                        "Add account",
+                        style = MaterialTheme.typography.bodyLarge,
+                        fontWeight = FontWeight.Medium,
+                        color = MaterialTheme.colorScheme.primary
+                    )
+                }
+            }
+        }
+    }
+}
+
+@Composable
+private fun AccountItem(
+    account: AccountInfo,
+    isActive: Boolean,
+    onClick: () -> Unit,
+    onRemove: () -> Unit
+) {
+    val displayName = account.displayName ?: account.login ?: "Account"
+
+    Row(
+        modifier = Modifier
+            .fillMaxWidth()
+            .clickable(onClick = onClick)
+            .background(
+                if (isActive) MaterialTheme.colorScheme.primaryContainer.copy(alpha = 0.2f)
+                else MaterialTheme.colorScheme.surface
+            )
+            .padding(horizontal = 16.dp, vertical = 12.dp),
+        verticalAlignment = Alignment.CenterVertically
+    ) {
+        InitialsAvatar(
+            displayName = displayName,
+            size = 44.dp,
+            fontSize = 18.sp
+        )
+
+        Spacer(modifier = Modifier.width(12.dp))
+
+        Column(modifier = Modifier.weight(1f)) {
+            Text(
+                text = displayName,
+                style = MaterialTheme.typography.bodyLarge,
+                fontWeight = FontWeight.Medium,
+                maxLines = 1,
+                overflow = TextOverflow.Ellipsis
+            )
+            if (account.login != null) {
+                Text(
+                    text = "@${account.login}",
+                    style = MaterialTheme.typography.bodySmall,
+                    color = MaterialTheme.colorScheme.onSurfaceVariant,
+                    maxLines = 1
+                )
+            }
+        }
+
+        if (isActive) {
+            Icon(
+                Icons.Default.Check,
+                contentDescription = "Active",
+                tint = MaterialTheme.colorScheme.primary,
+                modifier = Modifier.size(22.dp)
+            )
+        } else {
+            IconButton(onClick = onRemove) {
+                Icon(
+                    Icons.Default.Close,
+                    contentDescription = "Remove",
+                    tint = MaterialTheme.colorScheme.onSurfaceVariant,
+                    modifier = Modifier.size(20.dp)
+                )
+            }
+        }
+    }
+
+    HorizontalDivider(
+        modifier = Modifier.padding(start = 72.dp),
+        color = MaterialTheme.colorScheme.outlineVariant,
+        thickness = 0.5.dp
+    )
+}

app/src/main/java/org/yobble/messenger/presentation/accounts/AccountSwitcherViewModel.kt

@@ -0,0 +1,57 @@
+package org.yobble.messenger.presentation.accounts
+
+import androidx.lifecycle.ViewModel
+import dagger.hilt.android.lifecycle.HiltViewModel
+import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.StateFlow
+import kotlinx.coroutines.flow.asStateFlow
+import kotlinx.coroutines.flow.update
+import org.yobble.messenger.data.local.AccountInfo
+import org.yobble.messenger.data.local.SessionManager
+import javax.inject.Inject
+
+data class AccountSwitcherUiState(
+    val accounts: List<AccountInfo> = emptyList(),
+    val activeAccountId: String? = null,
+    val switchedAccount: Boolean = false
+)
+
+@HiltViewModel
+class AccountSwitcherViewModel @Inject constructor(
+    private val sessionManager: SessionManager
+) : ViewModel() {
+
+    private val _uiState = MutableStateFlow(AccountSwitcherUiState())
+    val uiState: StateFlow<AccountSwitcherUiState> = _uiState.asStateFlow()
+
+    init {
+        loadAccounts()
+    }
+
+    private fun loadAccounts() {
+        _uiState.update {
+            it.copy(
+                accounts = sessionManager.getAccounts(),
+                activeAccountId = sessionManager.activeAccountId.value
+            )
+        }
+    }
+
+    fun switchTo(accountId: String) {
+        if (accountId == _uiState.value.activeAccountId) return
+        sessionManager.switchAccount(accountId)
+        _uiState.update { it.copy(switchedAccount = true) }
+    }
+
+    fun removeAccount(accountId: String) {
+        sessionManager.removeAccount(accountId)
+        loadAccounts()
+        if (sessionManager.activeAccountId.value == null) {
+            _uiState.update { it.copy(switchedAccount = true) }
+        }
+    }
+
+    fun prepareNewAccountLogin() {
+        sessionManager.prepareNewAccountLogin()
+    }
+}

app/src/main/java/org/yobble/messenger/presentation/main/HomeScreen.kt

@@ -13,9 +13,7 @@ import androidx.compose.foundation.shape.RoundedCornerShape
 import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.automirrored.filled.Chat
 import androidx.compose.material.icons.filled.Contacts
-import androidx.compose.material.icons.filled.Person
 import androidx.compose.material.icons.filled.Search
-import androidx.compose.material.icons.filled.Settings
 import androidx.compose.material.icons.filled.Star
 import androidx.compose.material.icons.filled.Verified
 import androidx.compose.material3.*
@@ -39,17 +37,15 @@ import kotlinx.coroutines.launch
 import org.yobble.messenger.data.remote.dto.PrivateChatListItemDto
 import org.yobble.messenger.presentation.common.UserAvatar
 import org.yobble.messenger.presentation.contacts.ContactsScreen
-import org.yobble.messenger.presentation.profile.ProfileScreen
 import org.yobble.messenger.presentation.settings.SettingsScreen
 import org.yobble.messenger.util.formatUtcToLocalTime
 
 private const val SWIPE_NAVIGATION_ENABLED = true
 
-private enum class HomeTab(val label: String, val icon: ImageVector) {
+private enum class HomeTab(val label: String, val icon: ImageVector?) {
     CHATS("Chats", Icons.AutoMirrored.Filled.Chat),
     CONTACTS("Contacts", Icons.Default.Contacts),
-    SETTINGS("Settings", Icons.Default.Settings),
+    SETTINGS("Settings", null)
-    PROFILE("Profile", Icons.Default.Person)
 }
 
 @OptIn(ExperimentalMaterial3Api::class)
@@ -60,8 +56,10 @@ fun HomeScreen(
     onNavigateToSessions: () -> Unit,
     onNavigateToChangePassword: () -> Unit,
     onNavigateToBlacklist: () -> Unit,
-    onNavigateToUserProfile: (userId: String) -> Unit = {},
     onNavigateToSearch: () -> Unit,
+    onNavigateToProfile: () -> Unit,
+    onAccountSwitched: () -> Unit,
+    onAddAccount: () -> Unit,
     onLogout: () -> Unit,
     viewModel: HomeViewModel = hiltViewModel()
 ) {
@@ -76,6 +74,7 @@ fun HomeScreen(
 
     LifecycleResumeEffect(Unit) {
         viewModel.loadChats()
+        viewModel.refreshActiveAccount()
         onPauseOrDispose { }
     }
 
@@ -136,7 +135,9 @@ fun HomeScreen(
                         onNavigateToSessions = onNavigateToSessions,
                         onNavigateToChangePassword = onNavigateToChangePassword,
                         onNavigateToBlacklist = onNavigateToBlacklist,
-                        onNavigateToUserProfile = onNavigateToUserProfile,
+                        onNavigateToProfile = onNavigateToProfile,
+                        onAccountSwitched = onAccountSwitched,
+                        onAddAccount = onAddAccount,
                         onLogout = {
                             viewModel.logout()
                             onLogout()
@@ -154,7 +155,9 @@ fun HomeScreen(
                     onNavigateToSessions = onNavigateToSessions,
                     onNavigateToChangePassword = onNavigateToChangePassword,
                     onNavigateToBlacklist = onNavigateToBlacklist,
-                    onNavigateToUserProfile = onNavigateToUserProfile,
+                    onNavigateToProfile = onNavigateToProfile,
+                    onAccountSwitched = onAccountSwitched,
+                    onAddAccount = onAddAccount,
                     onLogout = {
                         viewModel.logout()
                         onLogout()
@@ -177,6 +180,8 @@ fun HomeScreen(
                 containerColor = MaterialTheme.colorScheme.surface.copy(alpha = 0.85f),
                 tonalElevation = 8.dp
             ) {
+                val activeAccount = uiState.activeAccount
+                val indicatorColor = MaterialTheme.colorScheme.primaryContainer.copy(alpha = 0.6f)
                 tabs.forEachIndexed { index, tab ->
                     NavigationBarItem(
                         selected = selectedTab == index,
@@ -189,10 +194,33 @@ fun HomeScreen(
                                 }
                             }
                         },
-                        icon = { Icon(tab.icon, contentDescription = null) },
+                        icon = {
+                            Box(
+                                modifier = Modifier
+                                    .size(36.dp)
+                                    .then(
+                                        if (selectedTab == index)
+                                            Modifier.clip(CircleShape).background(indicatorColor)
+                                        else Modifier
+                                    ),
+                                contentAlignment = Alignment.Center
+                            ) {
+                                if (tab == HomeTab.SETTINGS && activeAccount != null) {
+                                    UserAvatar(
+                                        userId = activeAccount.userId,
+                                        fileId = activeAccount.avatarFileId,
+                                        displayName = activeAccount.displayName ?: activeAccount.login ?: "U",
+                                        size = 24.dp,
+                                        fontSize = 10.sp
+                                    )
+                                } else if (tab.icon != null) {
+                                    Icon(tab.icon, contentDescription = null)
+                                }
+                            }
+                        },
                         label = { Text(tab.label, fontSize = 11.sp) },
                         colors = NavigationBarItemDefaults.colors(
-                            indicatorColor = MaterialTheme.colorScheme.primaryContainer.copy(alpha = 0.6f)
+                            indicatorColor = Color.Transparent
                         )
                     )
                 }
@@ -211,7 +239,9 @@ private fun TabContent(
     onNavigateToSessions: () -> Unit,
     onNavigateToChangePassword: () -> Unit,
     onNavigateToBlacklist: () -> Unit,
-    onNavigateToUserProfile: (String) -> Unit,
+    onNavigateToProfile: () -> Unit,
+    onAccountSwitched: () -> Unit,
+    onAddAccount: () -> Unit,
     onLogout: () -> Unit,
     bottomPadding: androidx.compose.ui.unit.Dp
 ) {
@@ -231,15 +261,12 @@ private fun TabContent(
             onNavigateToSessions = onNavigateToSessions,
             onNavigateToChangePassword = onNavigateToChangePassword,
             onNavigateToBlacklist = onNavigateToBlacklist,
+            onNavigateToProfile = onNavigateToProfile,
+            onAccountSwitched = onAccountSwitched,
+            onAddAccount = onAddAccount,
             onLogout = onLogout,
             bottomPadding = bottomPadding
         )
-        HomeTab.PROFILE -> ProfileScreen(
-            onNavigateBack = { /* already on home, no-op */ },
-            onNavigateToChat = onNavigateToChat,
-            showTopBar = false,
-            bottomPadding = bottomPadding
-        )
     }
 }
 

app/src/main/java/org/yobble/messenger/presentation/main/HomeViewModel.kt

@@ -13,6 +13,8 @@ import kotlinx.coroutines.flow.asSharedFlow
 import kotlinx.coroutines.flow.asStateFlow
 import kotlinx.coroutines.flow.update
 import kotlinx.coroutines.launch
+import org.yobble.messenger.data.local.AccountInfo
+import org.yobble.messenger.data.local.SessionManager
 import org.yobble.messenger.data.remote.NetworkResult
 import org.yobble.messenger.data.remote.dto.PrivateChatListItemDto
 import org.yobble.messenger.data.remote.socket.SocketEvent
@@ -24,7 +26,8 @@ import javax.inject.Inject
 data class HomeUiState(
     val chats: List<PrivateChatListItemDto> = emptyList(),
     val isLoading: Boolean = false,
-    val hasMore: Boolean = false
+    val hasMore: Boolean = false,
+    val activeAccount: AccountInfo? = null
 )
 
 sealed class HomeEvent {
@@ -35,7 +38,8 @@ sealed class HomeEvent {
 class HomeViewModel @Inject constructor(
     private val chatRepository: ChatRepository,
     private val authRepository: AuthRepository,
-    private val socketManager: SocketManager
+    private val socketManager: SocketManager,
+    private val sessionManager: SessionManager
 ) : ViewModel() {
 
     private val _uiState = MutableStateFlow(HomeUiState())
@@ -49,9 +53,18 @@ class HomeViewModel @Inject constructor(
     init {
         socketManager.connect()
         loadChats()
+        loadActiveAccount()
         observeSocket()
     }
 
+    fun refreshActiveAccount() {
+        val activeId = sessionManager.activeAccountId.value
+        val account = sessionManager.getAccounts().find { it.accountId == activeId }
+        _uiState.update { it.copy(activeAccount = account) }
+    }
+
+    private fun loadActiveAccount() = refreshActiveAccount()
+
     private fun observeSocket() {
         viewModelScope.launch {
             socketManager.events.collect { event ->

app/src/main/java/org/yobble/messenger/presentation/navigation/AppNavGraph.kt

@@ -28,6 +28,7 @@ object Routes {
     const val CHANGE_PASSWORD = "settings/change_password"
     const val BLACKLIST = "settings/blacklist"
     const val SEARCH = "search"
+    const val MY_PROFILE = "my_profile"
 
     fun codeVerification(login: String) = "code_verification/$login"
     fun chat(chatId: String) = "chat/$chatId"
@@ -53,7 +54,7 @@ fun AppNavGraph(
                 },
                 onLoginSuccess = {
                     navController.navigate(Routes.HOME) {
-                        popUpTo(Routes.LOGIN) { inclusive = true }
+                        popUpTo(0) { inclusive = true }
                     }
                 }
             )
@@ -77,7 +78,7 @@ fun AppNavGraph(
                 },
                 onVerifySuccess = {
                     navController.navigate(Routes.HOME) {
-                        popUpTo(Routes.LOGIN) { inclusive = true }
+                        popUpTo(0) { inclusive = true }
                     }
                 }
             )
@@ -99,15 +100,23 @@ fun AppNavGraph(
                 onNavigateToBlacklist = {
                     navController.navigate(Routes.BLACKLIST)
                 },
-                onNavigateToUserProfile = { userId ->
-                    navController.navigate(Routes.userProfile(userId))
-                },
                 onNavigateToSearch = {
                     navController.navigate(Routes.SEARCH)
                 },
+                onNavigateToProfile = {
+                    navController.navigate(Routes.MY_PROFILE)
+                },
+                onAccountSwitched = {
+                    navController.navigate(Routes.HOME) {
+                        popUpTo(0) { inclusive = true }
+                    }
+                },
+                onAddAccount = {
+                    navController.navigate(Routes.LOGIN)
+                },
                 onLogout = {
                     navController.navigate(Routes.LOGIN) {
-                        popUpTo(Routes.HOME) { inclusive = true }
+                        popUpTo(0) { inclusive = true }
                     }
                 }
             )
@@ -170,5 +179,15 @@ fun AppNavGraph(
                 }
             )
         }
+        composable(Routes.MY_PROFILE) {
+            ProfileScreen(
+                onNavigateBack = {
+                    navController.popBackStack()
+                },
+                onNavigateToChat = { chatId ->
+                    navController.navigate(Routes.chat(chatId))
+                }
+            )
+        }
     }
 }

app/src/main/java/org/yobble/messenger/presentation/profile/ProfileViewModel.kt

@@ -17,6 +17,7 @@ import org.yobble.messenger.data.remote.dto.ProfileUpdateRequestDto
 import org.yobble.messenger.data.remote.dto.RatingDataDto
 import org.yobble.messenger.data.remote.dto.RelationshipStatusDto
 import org.yobble.messenger.data.remote.dto.WalletBalanceDto
+import org.yobble.messenger.data.local.SessionManager
 import org.yobble.messenger.domain.repository.ChatRepository
 import org.yobble.messenger.domain.repository.ProfileRepository
 import javax.inject.Inject
@@ -58,7 +59,8 @@ sealed class ProfileEvent {
 class ProfileViewModel @Inject constructor(
     savedStateHandle: SavedStateHandle,
     private val profileRepository: ProfileRepository,
-    private val chatRepository: ChatRepository
+    private val chatRepository: ChatRepository,
+    private val sessionManager: SessionManager
 ) : ViewModel() {
 
     private val userId: String? = savedStateHandle.get<String>("userId")
@@ -108,6 +110,12 @@ class ProfileViewModel @Inject constructor(
                         editBio = p.bio ?: ""
                     )
                 }
+                sessionManager.updateAccountMeta(
+                    login = p.login,
+                    displayName = p.fullName ?: p.login,
+                    avatarFileId = p.avatars?.current?.fileId,
+                    bio = p.bio
+                )
             }
             is NetworkResult.Error -> {
                 _uiState.update { it.copy(isLoading = false) }

app/src/main/java/org/yobble/messenger/presentation/settings/SettingsScreen.kt

@@ -1,13 +1,17 @@
 package org.yobble.messenger.presentation.settings
 
+import androidx.compose.foundation.background
 import androidx.compose.foundation.clickable
 import androidx.compose.foundation.layout.*
 import androidx.compose.foundation.rememberScrollState
+import androidx.compose.foundation.shape.CircleShape
 import androidx.compose.foundation.shape.RoundedCornerShape
 import androidx.compose.foundation.verticalScroll
 import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.automirrored.filled.KeyboardArrowRight
+import androidx.compose.material.icons.filled.Add
 import androidx.compose.material.icons.filled.Block
+import androidx.compose.material.icons.filled.Close
 import androidx.compose.material.icons.filled.Lock
 import androidx.compose.material.icons.filled.PhoneAndroid
 import androidx.compose.material.icons.filled.Shield
@@ -15,10 +19,19 @@ import androidx.compose.material3.*
 import androidx.compose.runtime.*
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
+import androidx.compose.ui.draw.clip
 import androidx.compose.ui.graphics.vector.ImageVector
 import androidx.compose.ui.text.font.FontWeight
+import androidx.compose.ui.text.style.TextOverflow
 import androidx.compose.ui.unit.Dp
 import androidx.compose.ui.unit.dp
+import androidx.compose.ui.unit.sp
+import androidx.hilt.navigation.compose.hiltViewModel
+import androidx.lifecycle.compose.collectAsStateWithLifecycle
+import org.yobble.messenger.data.local.AccountInfo
+import org.yobble.messenger.presentation.accounts.AccountSwitcherViewModel
+import org.yobble.messenger.presentation.common.InitialsAvatar
+import org.yobble.messenger.presentation.common.UserAvatar
 
 @Composable
 fun SettingsScreen(
@@ -26,15 +39,96 @@ fun SettingsScreen(
     onNavigateToSessions: () -> Unit,
     onNavigateToChangePassword: () -> Unit,
     onNavigateToBlacklist: () -> Unit,
+    onNavigateToProfile: () -> Unit,
+    onAccountSwitched: () -> Unit,
+    onAddAccount: () -> Unit,
     onLogout: () -> Unit,
-    bottomPadding: Dp = 0.dp
+    bottomPadding: Dp = 0.dp,
+    accountsViewModel: AccountSwitcherViewModel = hiltViewModel()
 ) {
+    val accountsState by accountsViewModel.uiState.collectAsStateWithLifecycle()
+
+    LaunchedEffect(accountsState.switchedAccount) {
+        if (accountsState.switchedAccount) {
+            onAccountSwitched()
+        }
+    }
+
+    val activeAccount = accountsState.accounts.find { it.accountId == accountsState.activeAccountId }
+    val otherAccounts = accountsState.accounts.filter { it.accountId != accountsState.activeAccountId }
+
     Column(
         modifier = Modifier
             .fillMaxSize()
             .verticalScroll(rememberScrollState())
             .padding(top = 8.dp, bottom = bottomPadding + 8.dp)
     ) {
+        // Centered profile section
+        if (activeAccount != null) {
+            ProfileSection(
+                account = activeAccount,
+                onClick = onNavigateToProfile
+            )
+        }
+
+        HorizontalDivider(
+            modifier = Modifier.padding(vertical = 4.dp),
+            color = MaterialTheme.colorScheme.outlineVariant,
+            thickness = 0.5.dp
+        )
+
+        // Other accounts
+        if (otherAccounts.isNotEmpty()) {
+            otherAccounts.forEach { account ->
+                AccountItem(
+                    account = account,
+                    onClick = { accountsViewModel.switchTo(account.accountId) },
+                    onRemove = { accountsViewModel.removeAccount(account.accountId) }
+                )
+            }
+        }
+
+        // Add account
+        Row(
+            modifier = Modifier
+                .fillMaxWidth()
+                .clickable {
+                    accountsViewModel.prepareNewAccountLogin()
+                    onAddAccount()
+                }
+                .padding(horizontal = 16.dp, vertical = 12.dp),
+            verticalAlignment = Alignment.CenterVertically
+        ) {
+            Box(
+                modifier = Modifier
+                    .size(40.dp)
+                    .clip(CircleShape)
+                    .background(MaterialTheme.colorScheme.primaryContainer),
+                contentAlignment = Alignment.Center
+            ) {
+                Icon(
+                    Icons.Default.Add,
+                    contentDescription = null,
+                    tint = MaterialTheme.colorScheme.onPrimaryContainer,
+                    modifier = Modifier.size(20.dp)
+                )
+            }
+            Spacer(modifier = Modifier.width(12.dp))
+            Text(
+                "Add account",
+                style = MaterialTheme.typography.bodyLarge,
+                fontWeight = FontWeight.Medium,
+                color = MaterialTheme.colorScheme.primary
+            )
+        }
+
+        HorizontalDivider(
+            modifier = Modifier.padding(vertical = 4.dp),
+            color = MaterialTheme.colorScheme.outlineVariant,
+            thickness = 0.5.dp
+        )
+
+        // Settings items
         SettingsMenuItem(
             icon = Icons.Default.Shield,
             title = "Privacy",
@@ -77,6 +171,114 @@ fun SettingsScreen(
     }
 }
 
+@Composable
+private fun ProfileSection(
+    account: AccountInfo,
+    onClick: () -> Unit
+) {
+    val displayName = account.displayName ?: account.login ?: "Account"
+
+    Column(
+        modifier = Modifier
+            .fillMaxWidth()
+            .clickable(onClick = onClick)
+            .padding(vertical = 20.dp),
+        horizontalAlignment = Alignment.CenterHorizontally
+    ) {
+        UserAvatar(
+            userId = account.userId,
+            fileId = account.avatarFileId,
+            displayName = displayName,
+            size = 80.dp,
+            fontSize = 32.sp
+        )
+
+        Spacer(modifier = Modifier.height(12.dp))
+
+        Text(
+            text = displayName,
+            style = MaterialTheme.typography.titleLarge,
+            fontWeight = FontWeight.Bold,
+            maxLines = 1,
+            overflow = TextOverflow.Ellipsis
+        )
+
+        if (account.login != null) {
+            Spacer(modifier = Modifier.height(2.dp))
+            Text(
+                text = "@${account.login}",
+                style = MaterialTheme.typography.bodyMedium,
+                color = MaterialTheme.colorScheme.onSurfaceVariant,
+                maxLines = 1
+            )
+        }
+
+        if (!account.bio.isNullOrBlank()) {
+            Spacer(modifier = Modifier.height(6.dp))
+            Text(
+                text = account.bio,
+                style = MaterialTheme.typography.bodySmall,
+                color = MaterialTheme.colorScheme.onSurfaceVariant,
+                maxLines = 2,
+                overflow = TextOverflow.Ellipsis,
+                modifier = Modifier.padding(horizontal = 32.dp)
+            )
+        }
+    }
+}
+
+@Composable
+private fun AccountItem(
+    account: AccountInfo,
+    onClick: () -> Unit,
+    onRemove: () -> Unit
+) {
+    val displayName = account.displayName ?: account.login ?: "Account"
+
+    Row(
+        modifier = Modifier
+            .fillMaxWidth()
+            .clickable(onClick = onClick)
+            .padding(horizontal = 16.dp, vertical = 10.dp),
+        verticalAlignment = Alignment.CenterVertically
+    ) {
+        InitialsAvatar(
+            displayName = displayName,
+            size = 40.dp,
+            fontSize = 16.sp
+        )
+
+        Spacer(modifier = Modifier.width(12.dp))
+
+        Column(modifier = Modifier.weight(1f)) {
+            Text(
+                text = displayName,
+                style = MaterialTheme.typography.bodyLarge,
+                fontWeight = FontWeight.Medium,
+                maxLines = 1,
+                overflow = TextOverflow.Ellipsis
+            )
+            if (account.login != null) {
+                Text(
+                    text = "@${account.login}",
+                    style = MaterialTheme.typography.bodySmall,
+                    color = MaterialTheme.colorScheme.onSurfaceVariant,
+                    maxLines = 1
+                )
+            }
+        }
+
+        IconButton(onClick = onRemove, modifier = Modifier.size(36.dp)) {
+            Icon(
+                Icons.Default.Close,
+                contentDescription = "Remove",
+                tint = MaterialTheme.colorScheme.onSurfaceVariant,
+                modifier = Modifier.size(18.dp)
+            )
+        }
+    }
+}
+
 @Composable
 private fun SettingsMenuItem(
     icon: ImageVector,